Engine



FIG. 1 is a front perspective view of an engine according to the presentdesign;

FIG. 2 is a top plan view of the engine as shown in FIG. 1;

FIG. 3 is a right side elevation view of the engine as shown in FIG. 1;

FIG. 4 is a left side elevation view of the engine as shown in FIG. 1;

FIG. 5 is a front elevation view of the engine as shown in FIG. 1; and,

FIG. 6 is a rear elevation view of the engine as shown in FIG. 1.

The ornamental design for an engine, as shown and described.